23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
1
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
* Designed to Meet MIL-STD-1553 A/B & MIL-PRF-21038 * Droop Less Than 20%
* Common Mode Rejection (CMR) Greater Than 45dB * The peak body temperature shall not exceed
* Impedance Test Frequency from 75Khz to 1MHz 245C for Lead-Free/ RoHS
ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE -55OC TO +130OC
ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE -55OC TO +125OC
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
(DS1553_Trans Rev. H)
PM-DB2701 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/A
PM-DB2701EX 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/G
PM-DB2702 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/A
PM-DB2703 1-3:4-8 1.25 : 1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/A
PM-DB2704 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2, 4-8=3.0 3000 4/A
PM-DB2705 1-2:4-3 1:1.41 --- --- 1-2=2.2, 3-4=2.7 3000 3/C
PM-DB2705EX 1-2:3-4 1:1.41 --- --- 1-2=2.2, 3-4=2.7 3000 5/C
PM-DB2706 1-5:6-2 1:1 --- --- 1-5=2.5, 6-2=2.8 3000 2/B
PM-DB2707 1-5:6-2 1:1.41 --- --- 1-5=2.2, 6-2=2.7 3000 2/B
PM-DB2708 1-5:6-2 1:1.66 --- --- 1-5=1.5, 6-2=2.4 3000 2/B
PM-DB2709 1-5:6-2 1:2 --- --- 1-5=1.3, 6-2=2.6 3000 2/B
PM-DB2710 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/A
PM-DB2711 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/D
PM-DB2712 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/D
PM-DB2713 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/D
PM-DB2714 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2, 4-8=3.0 3000 4/D
PM-DB2715 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/D
PM-DB2716 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/E
PM-DB2717 1-3:4-8 1.41:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/E
PM-DB2718 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/E
PM-DB2719 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2, 4-8=3.0 3000 1/E
PM-DB2720 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 3000 1/E
PM-DB2721 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/A
PM-DB2722 1-3:4-8 1.41:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/A
PM-DB2723 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/A
PM-DB2724 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/A
PM-DB2725 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/A
PM-DB2725R 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 16/AD
PM-DB2725EX 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/G
PM-DB2726 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/A
PM-DB2727 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/D
PM-DB2728 1-5:6-2 1:1.5 --- --- 1-5=0.9, 6-2=2.5 3000 2/B
PM-DB2729 1-5:6-2 1:1.79 --- --- 1-5=0.9, 6-2=2.5 3000 2/B
PM-DB2730 1-5:6-2 1:2.5 --- --- 1-5=1.0, 6-2=2.8 3000 2/B
PM-DB2731 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/E
PM-DB2755 1-3:4-8 1:3.75 1-3:5-7 1:2.70 1-3=1.0, 4-8=4.0 4000 1/G
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
The peak body temperature
shall not exceed 245C
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
2
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE -55OC TO +130OC
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
PM-DB2759 (1) 1-5:6-2 1:1.79 --- --- 1-5=0.9, 6-2=2.5 3000 2/U
PM-DB2760 (1) 1-5:6-2 1:2.5 --- --- 1-5=1.0, 6-2=2.8 3000 2/U
PM-DB2785S 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/S
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PM-DB27100 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/M
PM-DB27101 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/W
PM-DB27200 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/T
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PM-DB27255 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/X
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
PM-DB2790S 1-3:4-8 1:3.75 --- --- 1-3=.25, 4-8=3.0 4000 4000 9/V
PM-DB2791S 1-3:4-8 1:2.5 --- --- 1-3=1.5, 4-8=3.0 3000 4000 9/V
PM-DB2792S 1-3:5-7 1:2.7 --- --- 1-3=.25, 5-7=2.0 2000 3000 10/V
PM-DB2795S 1-3:5-7 1:1.79 --- --- 1-3=1.5, 5-7=2.5 2000 4000 10/V
PM-DB2798S 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=2.0, 4-8=3.5 4000 4000 11/V
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
250Khz-1Mhz
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
IMPEDANCE
(Ohms MIN.)
75Khz-249Khz
(1) OPERATING TEMPERATURE RANGE FROM -40C TO +130C
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
3
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
LOW PROFILE SINGLE CORE HT = 0.155"
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
PM-DB2741 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/K
PM-DB2742 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/K
PM-DB2743 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/K
PM-DB2744 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/K
PM-DB2745 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/K
PART
NUMBER
SCHEMATICS
/
PACKAGE
TERMINALS / RATIO 3%) DCR
(Ohms Max.) IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%)
PM-DB2741L 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/L
PM-DB2742L 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/L
PM-DB2743L 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/L
PM-DB2744L 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/L
PM-DB2745L 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/L
PM-DB2741M 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/M
PM-DB2742M 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/M
PM-DB2743M 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/M
PM-DB2744M 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/M
PM-DB2745M 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/M
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
PM-DB2741N 1-3:4-8 1:1 1-3:5-7 1:.707 1-3=3.0, 4-8=3.0 4000 1/N
PM-DB2742N 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5, 4-8=3.0 7200 1/N
PM-DB2743N 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2, 4-8=3.0 4000 1/N
PM-DB2744N 1-3:4-8 1:2.12 1-3:5-7 1:1.5 1-3=1.0, 4-8=3.5 4000 1/N
PM-DB2745N 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0, 4-8=3.5 4000 1/N
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
4
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
LOW PROFILE DUAL CORE HT = 0.155"
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
PM-DB2741D 1-3:16-13 1:1 1-3:15-14 1:.707 1-3=3.0, 16-13=3.0 4000 6/R
5-7:12-9 1:1 5-7:11-10 1:.707 5-7=3.0, 12-9=3.0 4000
PM-DB2742D 1-3:16-13 1.4:1 1-3:15-14 2:1 1-3=3.5, 16-13=3.0 7200 6/R
5-7:12-9 1.4:1 5-7:11-10 2:1 5-7=3.5, 12-9=3.0 7200
PM-DB2743D 1-3:16-13 1.25:1 1-3:15-14 1.66:1 1-3=3.2, 16-13=3.0 4000 6/R
5-7:12-9 1.25:1 5-7:11-10 1.66:1 5-7=3.2, 12-9=3.0 4000
PM-DB2744D 1-3:16-13 1:2.12 1-3:15-14 1:1.5 1-3=1.0, 16-13=3.1 4000 6/R
5-7:12-9 1:2.12 5-7:11-10 1:1.5 5-7=1.0, 12-9=3.1 4000
PM-DB2745D 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/R
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
PM-DB2741S 1-3:16-13 1:1 1-3:15-14 1:.707 1-3=3.0, 16-13=3.0 4000 6/S
5-7:12-9 1:1 5-7:11-10 1:.707 5-7=3.0, 12-9=3.0 4000
PM-DB2742S 1-3:16-13 1.4:1 1-3:15-14 2:1 1-3=3.5, 16-13=3.0 7200 6/S
5-7:12-9 1.4:1 5-7:11-10 2:1 5-7=3.5, 12-9=3.0 7200
PM-DB2743S 1-3:16-13 1.25:1 1-3:15-14 1.66:1 1-3=3.2, 16-13=3.0 4000 6/S
5-7:12-9 1.25:1 5-7:11-10 1.66:1 5-7=3.2, 12-9=3.0 4000
PM-DB2744S 1-3:16-13 1:2.12 1-3:15-14 1:1.5 1-3=1.0, 16-13=3.1 4000 6/S
5-7:12-9 1:2.12 5-7:11-10 1:1.5 5-7=1.0, 12-9=3.1 4000
PM-DB2745S 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/S
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
5
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
LOW PROFILE DUAL CORE HT = 0.155"
PM-DB2741T 1-3:16-13 1:1 1-3:15-14 1:.707 1-3=3.0, 16-13=3.0 4000 6/T
5-7:12-9 1:1 5-7:11-10 1:.707 5-7=3.0, 12-9=3.0 4000
PM-DB2742T 1-3:16-13 1.4:1 1-3:15-14 2:1 1-3=3.5, 16-13=3.0 7200 6/T
5-7:12-9 1.4:1 5-7:11-10 2:1 5-7=3.5, 12-9=3.0 7200
PM-DB2743T 1-3:16-13 1.25:1 1-3:15-14 1.66:1 1-3=3.2, 16-13=3.0 4000 6/T
5-7:12-9 1.25:1 5-7:11-10 1.66:1 5-7=3.2, 12-9=3.0 4000
PM-DB2744T 1-3:16-13 1:2.12 1-3:15-14 1:1.5 1-3=1.0, 16-13=3.1 4000 6/T
5-7:12-9 1:2.12 5-7:11-10 1:1.5 5-7=1.0, 12-9=3.1 4000
PM-DB2745T 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3=1.0, 16-13=3.5 4000 6/T
5-7:12-9 1:2.5 5-7:11-10 1:1.79 5-7=1.0, 12-9=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
DUAL CORE HT = 0.250"
PM-DB27401 1-3:4-8 2:5 1-3:5-7 4:7 1-3=3.5 11-13=3.5 3000 7/H (.250)
11-13:14-18 2:5 11-13:15-17 4:7 4-8=3.0 14-18=3.0 3000
PM-DB27402 1-3:4-8 1:0.83 1-3:5-7 1:0.6 1-3=3.0 11-13=3.0 3000 7/H (.250)
11-13:14-18 1:0.83 11-13:15-17 1:0.6 4-8=3.0 14-18=3.0 3000
PM-DB27403 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5 11-13=3.5 7200 7/H (.250)
11-13:14-18 1.4:1 11-13:15-17 2:1 4-8=3.0 14-18=3.0 7200
PM-DB27404 1-3:4-8 1:1 1-3:5-7 1:0.707 1-3=3.0 11-13=3.0 4000 7/H (.250)
11-13:14-18 1:1 11-13:15-17 1:0.707 4-8=3.0 14-18=3.0 4000
PM-DB27405 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2 11-13=3.2 4000 7/H (.250)
11-13:14-18 1.25:1 11-13:15-17 1.66:1 4-8=3.0 14-18=3.0 4000
PM-DB27406 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2 11-13=1.2 3000 8/H (.250)
14-18:11-13 2.3:1 15-17:11-13 3.2:1 5-7=3.0 15-17=3.0 3000
PM-DB27407 4-8:1-3 2.12:1 5-7:1-3 1.5:1 1-3=1.1 11-13=1.1 4000 7/H (.250)
14-18:11-13 2.12:1 15-17:11-13 1.5:1 4-8=3.0 14-18=3.0 4000
PM-DB27408 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0 11-13=1.0 4000 7/H (.250)
11-13:14-18 1:2.5 11-13:15-17 1:1.79 4-8=3.5 14-18=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
6
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
DUAL CORE HT = 0.280"
PM-DB27421 1-3:4-8 2:5 1-3:5-7 4:7 1-3=3.5 11-13=3.5 150 3000 7/H (.280)
11-13:14-18 2:5 11-13:15-17 4:7 4-8=3.0 14-18=3.0 150 3000
PM-DB27422 1-3:4-8 1:0.83 1-3:5-7 1:0.6 1-3=3.0 11-13=3.0 150 3000 7/H (.280)
11-13:14-18 1:0.83 11-13:15-17 1:0.6 4-8=3.0 14-18=3.0 150 3000
PM-DB27423 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5 11-13=3.5 150 7200 7/H (.280)
11-13:14-18 1.4:1 11-13:15-17 2:1 4-8=3.0 14-18=3.0 150 7200
PM-DB27424 1-3:4-8 1:1 1-3:5-7 1:0.707 1-3=3.0 11-13=3.0 150 4000 7/H (.280)
11-13:14-18 1:1 11-13:15-17 1:0.707 4-8=3.0 14-18=3.0 150 4000
PM-DB27425 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2 11-13=3.2 150 4000 7/H (.280)
11-13:14-18 1.25:1 11-13:15-17 1.66:1 4-8=3.0 14-18=3.0 150 4000
PM-DB27426 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2 11-13=1.2 150 3000 8/H (.280)
14-18:11-13 2.3:1 15-17:11-13 3.2:1 5-7=3.0 15-17=3.0 150 3000
PM-DB27427 4-8:1-3 2.12:1 5-7:1-3 1.5:1 1-3=1.1 11-13=1.1 200 4000 7/H (.280)
14-18:11-13 2.12:1 15-17:11-13 1.5:1 4-8=3.0 14-18=3.0 200 4000
PM-DB27428 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0 11-13=3.5 250 3000 7/H (.280)
11-13:14-18 1:2.5 11-13:15-17 1:1.79 4-8=3.5 14-18=4.0 250 3000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
DUAL CORE HT = 0.320"
PM-DB27411 1-3:4-8 2:5 1-3:5-7 4:7 1-3=3.5 11-13=3.5 3000 7/H (.320)
11-13:14-18 2:5 11-13:15-17 4:7 4-8=3.0 14-18=3.0 3000
PM-DB27412 1-3:4-8 1:0.83 1-3:5-7 1:0.6 1-3=3.0 11-13=3.0 3000 7/H (.320)
11-13:14-18 1:0.83 11-13:15-17 1:0.6 4-8=3.0 14-18=3.0 3000
PM-DB27413 1-3:4-8 1.4:1 1-3:5-7 2:1 1-3=3.5 11-13=3.5 7200 7/H (.320)
11-13:14-18 1.4:1 11-13:15-17 2:1 4-8=3.0 14-18=3.0 7200
PM-DB27414 1-3:4-8 1:1 1-3:5-7 1:0.707 1-3=3.0 11-13=3.0 4000 7/H (.320)
11-13:14-18 1:1 11-13:15-17 1:0.707 4-8=3.0 14-18=3.0 4000
PM-DB27415 1-3:4-8 1.25:1 1-3:5-7 1.66:1 1-3=3.2 11-13=3.2 4000 7/H (.320)
11-13:14-18 1.25:1 11-13:15-17 1.66:1 4-8=3.0 14-18=3.0 4000
PM-DB27416 4-8:1-3 2.3:1 5-7:1-3 3.2:1 1-3=1.2 11-13=1.2 3000 8/H (.320)
14-18:11-13 2.3:1 15-17:11-13 3.2:1 5-7=3.0 15-17=3.0 3000
PM-DB27417 4-8:1-3 2.12:1 5-7:1-3 1.5:1 1-3=1.1 11-13=1.1 4000 7/H (.320)
14-18:11-13 2.12:1 15-17:11-13 1.5:1 4-8=3.0 14-18=3.0 4000
PM-DB27418 1-3:4-8 1:2.5 1-3:5-7 1:1.79 1-3=1.0 11-13=1.0 4000 7/H (.320)
11-13:14-18 1:2.5 11-13:15-17 1:1.79 4-8=3.5 14-18=3.5 4000
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
Risetime
(ns Max.)
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
7
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
DUAL CORE HT = 0.320"
PM-DB2761 1 : 3.75 1-2, 4-5 10-9, 7-6 0.3 3.0 4000 4000 12 / AA
PM-DB2762 1 : 2.50 1-2, 4-5 10-9, 7-6 1.5 3.5 3000 4000 12 / AA
PM-DB2763 1.25 : 1 1-2, 4-5 10-9, 7-6 2.4 1.5 3000 4000 12 / AA
PM-DB2764 1.41 : 1 1-2, 4-5 10-9, 7-6 2.7 2.2 5000 7200 12 / AA
PM-DB2765 1 : 2.70 1-2, 4-5 10-9, 7-6 0.5 2.0 2000 3000 12 / AA
PM-DB2766 1 : 1.79 1-2, 4-5 10-9, 7-6 1.5 2.5 2000 4000 12 / AA
PM-DB2767 1.66 : 1 1-2, 4-5 10-9, 7-6 2.4 1.5 3000 4000 12 / AA
PM-DB2768 2.00 : 1 1-2, 4-5 10-9, 7-6 2.6 1.3 5000 7200 12 / AA
PM-DB2769 1 : 2.038 1-2, 4-5 10-9, 7-6 0.7 2.0 2000 3000 12 / AA
PM-DB2770 1 : 2.69 1-2, 4-5 10-9, 7-6 0.5 2.0 2000 4000 12 / AA
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
PRIMARY SECONDARY
IMPEDANCE
(Ohms MIN.)
75KHZ-249KHZ 250KHZ - 1MHZ
TURNS RATIO
3%)
TERMINALS
PRIMARY SECONDARY
PM-DB2775 1-3:16-13 1:3.75 1-3:15-14 1:2.70 1-3,6-8 = 0.35 3000 4000 15/AC
6-8:12-9 1:3.75 6-8:11-10 1:2.70 16-13,12-9 = 3.0
PM-DB2776 1-3:16-13 1:2.5 1-3:15-14 1:1.79 1-3,6-8 = 1.0 3000 4000 15/AC
6-8:12-9 1:2.5 6-8:11-10 1:1.79 16-13,12-9 = 3.5
PM-DB2777 1-3:16-13 1.25:1 1-3:15-14 1.66:1 1-3,6-8 = 3.2 3000 4000 15/AC
6-8:12-9 1.25:1 6-8:11-10 1.66:1 16-13,12-9 = 3.0
PART
NUMBER
SCHEMATICS
/
PACKAGE
DCR
(Ohms Max.)
IMPEDANCE
(Ohms MIN.)
LOW PROFILE DUAL CORE HT = 0.185"
TERMINALS / RATIO 3%) TERMINALS / RATIO 3%)
75KHz-149KHz 150KHz-1MHz
NOTE: Premier Magnetics 1553 Transformers are offered exclusively by Holt Integrated Circuits.
DUAL CORE 0.93 X 0.575
PM-DB2750 1 : 2.70 1-3, 6-8 15-14, 11-10 .25 2.0 2000 13 / AB
PM-DB2751 1 : 3.75 1-3, 6-8 15-14, 11-10 .25 3.0 4000 13 / AB
PM-DB2752 1 : 2.70 1-3, 6-8 16-13, 12-9 .25 2.0 2000 14 / AB
PM-DB2753 1 : 3.75 1-3, 6-8 16-13, 12-9 .25 3.0 4000 14 / AB
PM-DB2754 1 : 2.07 1-3, 6-8 15-14, 11-10 .29 .82 2000 13 / AB
PM-DB2756 1 : 2.50 1-3, 6-8 15-14, 11-10 .25 2.0 2000 13 / AB
PART
NUMBER
SCHEMATICS
/
PACKAGE
IMPEDANCE
(Ohms MIN.)
TURNS RATIO
3%)
TERMINALS
PRIMARY SECONDARY
DCR
(Ohms Max.)
PRIMARY SECONDARY
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
8
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
SCHEMATICS
SCHEMATIC "1"
SCHEMATIC "4"
SCHEMATIC "3"
SCHEMATIC "5"
1
3
4
8
6
2
5
7
1
24
3
1
2
4
3
SCHEMATIC "2"
1
5
3
2
6
4
1
3
4
8
6
2
5
7
SCHEMATIC "6"
(11) 1 4 (14)
8 (18)
6 (1 6 )
5 (1 5 )
7 (1 7 )
(12) 2
(13) 3
SCHEMATIC "7"
(11) 1
4 (14)
8 (18)
6 (16 )
5 (15 )
7 (17 )
(12) 2
(13) 3
SCHEMATIC "8"
13 (9)
(5) 1
(6) 2
(7) 3
16 (12)
15 (11)
4 (8)
14 (10)
SCHEMATIC "9"
SCHEMATIC "10" SCHEMATIC "11"
1
3
8
4
2
1
3
7
5
2
1
34
8
2
5
7
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
9
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
1
3
9
2
4 7
6
5
10
SCHEMATIC "13"
1
3
2
15
14
6
7
8
11
10
16
13
12
9
1
3
2
6
7
8
SCHEMATIC "12" SCHEMATIC "14"
1
3
16
13
2
15
14
6
8
12
9
7
11
10
SCHEMATIC "16"
1
34
8
6
2
5
7
SCHEMATIC "15"
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
10
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
.625
(15.87)
MAX
3
1
2
8
6
7
5
.625
(15.87)
MAX
.200(2.54)
.200(2.54)
.250
(6.35)
MAX
4
0.020 (0.508)
.250
(6.35)
TPY
.075
(1.9)
typ
FIGURE #C FIGURE #D
.400
(10.16)
.250
(6.35)
MAX
.375
(9.52)
MIN
.200
(5.08)
.350
(8.89)
Max
#24AWG
4 PLS
.500
(12.70)
.34
(8.64)
1
2
3
4
.08
(2.03)
PM-DB27XX
YYWW
M
P
.6 25
(1 5 . 87 )
M A X
.07 (1.78 )
.2 20 -.2 8 0 (5.59-7 .11)
.1 00
( 2. 5 4)
TYP
3
1
2
8
4
6
7
5
.6 25
( 15 . 87 )
M A X
.20 0 (2. 5 4)
.20 0 (2. 5 4)
.2 50
(6 . 3 5)
M A X
.004
(. 1 0 )
M IN
0.02 0 (0.508)
R = . 0 3 2( .8 1) T YP
PM-DB27XX
YYWW
M
P
FIGURE #A FIGURE #B
.400
(10.16)
.250
(6.35)
MAX
.375
(9.52)
MIN
.200
(5.08)
.350
(8.89)
Max
#24AWG
4 PLS
.500
(12.70)
.34
(8.64)
1
5
.08
(2.03)
3
2
6
4
.100
(2.54)
FIGURE #E FIGURE #F
PM-DB27XX
YYWW
M
P
.400
(10.16)
.250
(6.35)
MAX
.375
(9.52)
MIN
.200
(5.08)
.350
(8.89)
Max
#24AWG
4 PLS
.500
(12.70)
.34
(8.64)
1
2
3
4
.08
(2.03)
.100
(2.54)
.5 00
(1 2 .7 0)
.6 25
(1 5 .8 7)
MAX
.2 5 0
(6 .3 5 )
MAX
.375
(9.52)
M IN
.100 (2.54)
4 PLS
.2 00 (5. 08 )
4 PLS
.6 25
(1 5 .8 7)
MAX
3
1
2
8
4
6
7
5
0.020 (0.508)
PM-DB27XX
YYWW
M
P
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
11
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
.300
(7.62) .100 (2 .54)
3 PLS
.200 (5. 08 )
3 PLS
.400
(10.16)
M AX
3
1
2
84
6
7
5
.240
(6.1)
MAX
.400
(10 .1 6)
M AX
.375
(9. 52 )
MIN
.020 (.5 08)
.02
(.5 08)
MAX
FIGURE #G FIGURE #H
PM-DB27XX
YYWW
M
P
.155
(3.937)
MAX .100
(2.54)
MIN
.100 (2.54)
4 PLS
.200 (5.08)
4 PLS
.630
(16.0)
MAX
3
1
2
8
4
6
7
5
.630
(16.0)
MAX
.680-.720
(17.27-18.29)
.020
(508)
TYP
FIGURE # K
PM-DB27XX
YYWW
M
P
.100 (2.54 )
4 PLS
.200 (5.08)
2 PLS
.630
(1 6 .0)
M A X
3
1
2
8
4
6
7
5
.630
(16 .0)
M AX
.020
(5 0 8)
TYP
.155
(3 .9 37 )
M AX
.07 ( 1.78)
.220-.2 8 0 (5.59-7 .11)
.004
(.10)
M IN
R= .032(.81 ) TYP
FIGURE #L
PM-DB27XX
YYWW
M
P
FIGURE # M
.155
(3.937)
MAX
.250
(6.35)
TYP
.430
(10.92)
MAX
1 4
.020 x .010
(.508 x .254)
TYP
5
.100 (2.54)
6 PLS
.430
(10.92)
MAX
8
.075
(1.9)
typ
2 3
67
PM-DB27XX
YYWW
M
P
.100 (2.54)
4 PLS
.200 (5.08)
2 PLS
.630
(16.0)
MAX
3
1
2
8
4
6
7
5
.630
(16.0)
MAX
.155
(3.937)
MAX
.220-.280 (5.59-7.11)
.020x.010
(.508x.254)
TYP
.07
(1.78)
TYP
FIGURE #N
no t e
(---)
MAX
.2 50
(6.36)
MIN
0.020 (0.508)
3
2
8
4
6
7
5
1
111213
14
15
16
17
18
.6 25
(15 .87)
MAX
.20 0
(5.0 8)
.4 00
(10.16)
.6 25
(15.87)
MAX
.5 00
(12 .7)
.2 00
(5.0 8)
.1 00
(2.54)
.2 50
(6.3 6)
.2 50
(6.3 5)
.5 00
(12.7)
NOTE: 0.2 50, 0.280 or 0.32 0"
PER PAR T N UMBER
PM-DB27XX
YYWW
M
P
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
12
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
.07 5 (1.9 0 5 )
4 P L S
.15 ( 3.81 )
2 PLS
3
1
2
8
4
6
7
5
.40
(10.16)
M AX
.1 85 (4 .6 9 9)
M A X
.44 ( 1 1.1 8 )R e f
0.5 2 ( 1 3.21 )
.40
( 10 .1 6 )
M AX
P in S i z e = 0.0 20 x 0.010 (0.50 8 x 0 .25 4)
.0 04
M IN
.02 0 (.5 0 8 )
8 PL S
.01 0 (.2 5 4 )
8 PL S
.155
(3.937)
MAX
.075
(1.9)
TYP
.430
(10.92)
MAX
18
.930
(23.620)
MAX
.020 x .010
(.508 x .254)
TYP
16 9
.100 (2.54)
14 PLS
.100 (2.54)
14 PLS
.630
(16.0)
MAX
18
.930
(23.620)
MAX
.155
(3.937)
MAX
.020
(508)
TYP
16 9
.07 (1.78)
.220-.280 (5.59-7.11)
.004
(.10)
MIN
R= .032(.81) TYP
PM-DB27XXX
YYWW
M
P
FIGURE # S
.155
(3.937)
MAX .100
(2.54)
MIN
.100 (2.54)
14 PLS
.630
(16.0)
MAX
18
.930
(23.620)
MAX
.680-.720
(17.27-18.29)
.020
(508)
TYP
16 9
PM-DB27XXX
YYWW
M
P
FIGURE # R
PM-DB27XXX
YYWW
M
P
FIGURE # T FIGURE # U
FIGURE # V FIGURE # W
.400
(10.16)
.182
(4.62)
MAX
.375
(9.52)
MIN
.200
(5.08)
.350
(8.89)
Max
#24AWG
4 PLS
.500
(12.70)
.34
(8.64)
1
5
.08
(2.03)
3
2
6
4
.100
(2.54)
PM-DB27XXX
YYWW
M
P
PM-DB27XXX
YYWW
M
P
.155
(3.937)
MAX
.430
(10.92)
MAX
1 4
.020 x .010
(.508 x .254)
TYP
5
.100 (2.54)
6 PLS
.430
(10.92)
MAX
8
.075
(1.9)
typ
2 3
67
.020
(508)
TYP
.52
(13.2)
MAX
.250
(6.35)
TYP
PM-DB27XXX
YYWW
M
P
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
13
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
.155
(3.937)
MAX
.100 (2.54)
14 PLS
.630
(16.0)
MAX
18
.930
(23.620)
MAX
.020X.010
(508X.254)
TYP
16 9
.250 (6.35 TYP
.075
(1.9)
TYP
FIGURE # X FIGURE # AA
PM-DB27XXX
YYWW
M
P
PM-DB27XXX
YYWW
M
P
.075 (1.905)
4 PLS
3
1
2
10
6
9
.40
(10.16)
MAX
.44(11.18)Ref
0.52 (13.21)
.40
(10.16)
MAX
.020(.508)x .010(.254)
10 PLS
.32(8.128)
MAX
.010(.254)
ref
10 PLS
4
5
7
8
.10(2.54)
REF
.100 (2.54)
14 PLS
18
.930
(23.620)
MAX
.020
(508)
TYP
16 9
.035 (.89)
R= .032(.81) TYP
.575
(14.605)
MAX
.185
(4.699)
MAX
.705-.735
(17.9-18.67)
FIGURE # AB FIGURE # ##
PM-DB27XX
YYWW
M
P
PM-DB27XXX
YYWW
M
P
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
14
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
.075 (1.78)
14 PLS
18
.675
(17.145)
MAX
.020
(508)
TYP
16 9
.035 (.89)
R= .032(.81) TYP
.40
(10.16)
MAX
.185
(4.699)
MAX
.505-.535
(12.83-13.59)
FIGURE # AC
PM-DB27XX
YYWW
M
P
.500
(12.70)
.625
(15.87)
MAX
.250
(6.35)
MAX
.100 (2.54)
4 PLS
.200 (5.08)
4 PLS
.625
(15.87)
MAX
3
1
2
8
4
6
7
5
0.020 (0.508)
.375
(9.52)
MIN
FIGURE # AD
PM-DB27XX
YYWW
M
P
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
15
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
CROSS REFERENCE LISTING
PREMIER PART# X-REF NAME/PART#
BETA
PM-DB2745L LPB-5015
PM-DB2741L LPB-5003
PM-DB2742L LPB-5002
PM-DB2743L LPB-5004
PM-DB2744L LPB-5006
PM-DB2745M LPB-5014
PM-DB2741M LPB-5010
PM-BD2742M LPB-5009
PM-BD2743M LPB-5011
PM-BD2744M LPB-5013
PM-DB2742D TLP-1215
PM-DB2743D TLP-1212
PM-DB2745D TLP-1205
PM-DB2742S TLP-1015
PM-DB2743S TLP-1012
PM-DB2745S TLP-1005
PM-DB2742T TLP-1115
PM-DB2743T TLP-1112
PM-DB2745T TLP-1105
PM-DB2761 TSM-2033
PM-DB2762 TSM-2005
PM-DB2763 TSM-2012
PM-DB2764 TSM-2015
PM-DB2765 TSM-2233
PM-DB2766 TSM-2205
PM-DB2767 TSM-2212
PM-DB2768 TSM-2215
PREMIER PART# X-REF NAME/PART#
BETA
PM-DB2701 B-2202
PM-DB2702 B-2203
PM-DB2703 B-2204
PMDB-2704 B-2205
PM-DB2705 B-2206
PM-DB2706 B-2207
PM-DB2707 B-2208
PM-DB2708 B-2709
PM-DB2709 B-2210
PM-DB2710 B-2385
PM-DB2711 B-2386
PM-DB2712 B-2387
PM-DB2713 B-2388
PM-DB2714 B2389
PM-DB2715 B-2390
PM-DB2716 B-2342
PM-DB2717 B-2343
PM-DB2718 B-2344
PM-DB2719 B-2345
PM-DB2720 B-2391
PM-DB2721 B-3221
PM-DB2722 B-3222
PM-DB2723 B-3223
PM-DB2724 B-3224
PM-DB2725 B-3225
PM-DB2725R B3067
PM-DB2726 B-3226
PM-DB2727 B-3227
PM-DB2728 B-3228
PM-DB2729 B-3229
PM-DB2730 B-3230
PM-DB2731 B-3231
PM-DB2775 DSS-3333
PM-DB2776 DSS-3305
PM-DB2777 DSS-3312
PM-DB2792S MPL-2233
23351 Madero, Mission Viejo, CA 92691-2730 · TEL: (949) 859-8800 · FAX: (949) 859-9643 · E-MAIL: info@holtic.com
www.holtic.com
Specifications subject to change without notice.
16
06/13
MIL-STD-1553 / MIL-PRF-21038
DATABUS INTERFACE TRANSFORMERS
LOW PROFILE SINGLE/DUAL
ADD "+" ON P/N FOR RoHS COMPLIANCE
Rev. B 12/16/08 Add PM-DB2785S, PM-DB2790S, PM-DB2791S, PM-DB2795S,
PM-DB2798S, PM-DB27100, PM-DB27101, PM-DB27200, PM-DB27255
Rev. C 11/12/10 Add PM-DB2761, PM-DB2762, PM-DB2763, PM-DB3764, PM-DB2765,
PM-DB2766, PM-DB2767 & PM-DB2768 part numbers, schematic and
physical dimensions. Updated cross ref. list. Reformatted various tables.
Rev. D 4/21/11 Typographical error in physical dimensions for Figure #V corrected.
Rev. E 09/09/11 Repositioned dimension of "S" package closeer to the location of the
measurement.
Rev. F 11/19/12 Clarified peak body temperature for RoHS and Non-RoHS parts.
Add PM-DB27421, PM-DB27422, PM-DB27423, PM-DB27424, PM-DB27425,
PM-DB27426, PM-DB27427, PM-DB27428, PM-DB2750, PM-DB2751,
PM-DB2752, PM-DB2753, PM-DB2754, PM-DB2769, PM-DB2770,
PM-DB2775, PM-DB2776, PM-DB2777.
Add Schematics 13, 14, 15.
Remove Figure #Y, Add Figures #AA, #AB, #AC
Rev. G 04/05/13 Add PM-DB2725R, PM-DB2792S Schematic #16, Figure #AD
Rev. H 06/24/13 Add PM-DB2756 to page 7.
Revision Date Description of Change
